Why am i such a health freak?10 points?

You sound like you have obsessive-compulsive tendencies bordering on obsessive-compulsive disorder (OCD). You have it because of the way your brain is wired. Instead of anxiety about something (getting sick) ramping down after awhile, it just keeps going and going, like a merry-go-round. There are techniques to deal with this. Google OCD and read up on it,